Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
351089 (2003 UH172)
Classification: Main-belt Asteroid          SPK-ID: 2351089
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166854628865023 8.2457e-08  
a 2.642835030082898 3.5658e-08 au
q 2.334454601265012 2.2323e-07 au
i 4.874498256369391 1.2131e-05 deg
node 255.1977367843186 9.9449e-05 deg
peri 96.40688791508563 0.00011585 deg
M 337.6049381933427 6.5119e-05 deg
tp 2459098.123252618474
(2020-Sep-05.62325262)
0.00028514 TDB
period 1569.291089529547
4.30
3.176e-05
8.695e-08
d
yr
n .2294029465928614 4.6427e-09 deg/d
Q 2.951215458900784 3.9818e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5721 days (15.66 yr)  
   first obs. used      2003-10-03  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58028  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:36:51  

Additional Information
 Earth MOID = 1.33504 au 
 Jupiter MOID = 2.46931 au 
 T_jup = 3.379 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457382.5 (2015-Dec-26.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182137214631536 8.2944e-08  
q 2.329925165122856 2.248e-07 au
tp 2457531.577079363857
(2016-May-23.07707936)
0.00026327 TDB
node 255.2272675026026 9.9451e-05 deg
peri 97.00523907372398 0.00011548 deg
i 4.874872193247214 1.214e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      5721 days (15.66 yr)  
   first obs. used      2003-10-03  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58028  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:36:51  

Additional Information
 Jupiter MOID = 2.46931 au 
 T_jup = 3.379 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.879709917991409E-15 -1.847556585924565E-14 7.818762679743227E-12 3.938357105508748E-14 1.713502060072008E-12 -7.284908933314318E-15
q -1.847556585924565E-14 5.053622292807902E-14 -1.624335283712666E-11 -9.275051494058182E-14 -3.562774667097765E-12 1.888543213221902E-14
tp 7.818762679743227E-12 -1.624335283712666E-11 6.930926214401922E-8 2.646580834445227E-10 1.552539256102961E-8 -3.056061010437714E-11
node 3.938357105508748E-14 -9.275051494058182E-14 2.646580834445227E-10 9.890575743739272E-9 -9.792427731035262E-9 -4.855447009546922E-10
peri 1.713502060072008E-12 -3.562774667097765E-12 1.552539256102961E-8 -9.792427731035262E-9 1.333569788436083E-8 4.767459810258005E-10
i -7.284908933314318E-15 1.888543213221902E-14 -3.056061010437714E-11 -4.855447009546922E-10 4.767459810258005E-10 1.47370786375096E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO476630  

351089 (2003 UH172)          Discovered 2003-Oct-03 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1911-May-16 01:19 00:10 Thisb 0.0390423465380225 0.0390365665908552 0.0390482106953716 1.90774979539019 1.90774970384882 2419172.554812158 10.400839054407 3558.92067450096 172.222519650366 86.2768193775396 33759.8557231454 T 6 CATAB v2.0f-lin.ifort 2019-Sep-24 06:36:52 2019-Sep-24 06:36
2050-Mar-28 00:53 00:06 Iris 0.0312494814324967 0.0312207662350297 0.0312781971437732 3.05985318859829 3.05985312847681 2469893.536811688 5.57032502661912 1444.85965978694 107.085044450416 8.02844735439895 6880.4789993935 T 6 CATAB v2.0f-lin.ifort 2019-Sep-24 06:36:52 2019-Sep-24 06:36
2075-Dec-27 14:19 00:21 Iris 0.0291314444729331 0.0290876150696008 0.0291752750366919 2.61512534239847 2.61512526693817 2479299.096499186 20.7554875827842 2201.22769716486 104.484581714856 -7.48893434147575 5771.57094145673 T 6 CATAB v2.0f-lin.ifort 2019-Sep-24 06:36:52 2019-Sep-24 06:36
2170-Dec-22 08:45 00:31 Thisb 0.0211908290569156 0.0210674526289668 0.02131423647787 1.77979986429753 1.77979968351533 2513991.864763821 30.7047562750644 6260.89173909299 135.077683656463 11.5964258460961 4729.64688284402 T 6 CATAB v2.0f-lin.ifort 2019-Sep-24 06:36:52 2019-Sep-24 06:36

Alternate Designations
 2003 UH172 = 2011 MX8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-10 06:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin